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| # http://stackoverflow.com/a/3407254/16632 | |
| Rcpp::cppFunction("double ceil_any(double x, double prec) { | |
| if (fabs(prec / x) < DBL_MIN) | |
| return x; | |
| double r = fmod(fabs(x), prec); | |
| if (r == 0) | |
| return x; | |
| return (x > 0) ? x + prec - r : x + r; | |
| }") | |
| ceil_any(9.9, 2) | |
| ceil_any(10, 2) | |
| ceil_any(10.1, 2) | |
| ceil_any(-9.9, 2) | |
| ceil_any(-10, 2) | |
| ceil_any(-10.1, 2) |
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